Franek really enjoyed playing in his grandmother's garden. One day, as he was picking strawberries behind an old bush, he noticed a small, shiny door in the ground. It was so tiny that he could barely fit through it on all fours. Hidden behind the door was a narrow, damp-smelling tunnel. Franek bravely stepped inside. After a while, the tunnel began to light up. Suddenly, the boy stepped out straight onto a fluffy, soft island! There were white clouds under his feet and the air smelled of candyfloss. Next to him stood a girl with hair like cotton candy and a big smile. Her name was Lila. - Welcome to Cloud Island! - she called out cheerfully. - This is where the cloud bunnies live, but beware of cloud tornadoes! Just at that moment something rustled - a strange shadow emerged from behind the clouds and slowly approached.... What could it have been?